Home / 3,261.41-4,887.78-1,776.82

Finding the Fourth Proportional to 3,261.41, 4,887.78 and 1,776.82

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Solution

The fourth proportional to 3,261.41, 4,887.78 and 1,776.82 is: 2,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.41 : 4,887.78 = 1,776.82 : x
  2. Step 2: Convert to fraction form
    3,261.41/4,887.78 = 1,776.82/x
  3. Step 3: Cross multiply
    3,261.41x = 4,887.78 × 1,776.82
  4. Step 4: Simplify right side
    3,261.41x = 8,684,671.94
  5. Step 5: Solve for x
    x = 8,684,671.94/3,261.41
  6. Step 6: Final answer
    x = 2,662.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.